package com.boot01.controller;

import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.thymeleaf.util.StringUtils;

import javax.servlet.http.HttpSession;

@Controller
public class LoginController {

    @RequestMapping("/userLogin")
    public String login(
            @RequestParam("username") String username,
            @RequestParam("password") String password,
            Model model,
            HttpSession session
    ) {
        if (!StringUtils.isEmpty(username) && "123456".equals(password)) {
            // 重定向
//            return "dashboard";
            session.setAttribute("username", username);
            return "redirect:/main.html";
        } else {
            model.addAttribute("msg", "账号名或密码错误");
            return "index";
        }
    }

    /**
     * 退出登录，清空session
     */
    @GetMapping("/logout")
    public String logout(HttpSession session){
        session.invalidate();
        return "redirect:/index.html";
    }
}
